lion has a spell called "finger of death" which has 450 damage when the skill is lvl 1. can be upgraded to lvl 1 on player lvl 6.
rubick's ulti is called "spell steal" and also has a spell called "Null Field" which is an aura granting a small percentage of magic immunity to him and his allies.
edit: lion is the black/red one and rubick is the green one.